Chemical Compositions of Brassica rapa L.
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摘要:
目的 研究芜菁的化学成分,发现其活性成分。 方法 芜菁经甲醇回流提取、硅胶柱层析、薄层层析、Sephadex LH-20柱层析进行分离纯化,波谱分析(核磁共振氢谱、碳谱)确定结构谱。 结果 从该药用植物分离得到17个化合物,分别为:(1) 1-(4-羟基苯基)-2-丙酮;(2) 4-(2-丁氧基乙基)苯酚;(3) 1-甲氧基-3-吲哚乙腈; (4) 2,2′-oxybis(1,4)-di-tert-butylbenzene;(5) 单棕榈酸甘油酯;(6) 邻苯二甲酸-1-丁酯-2-异丁酯;(7) 邻苯二甲酸二丁酯;(8) 1-甲氧基-3-吲哚甲醛;(9) 3,7-Dimethyl-n-octan-3α-ol-1-yl-benzoate; (10) 邻苯二甲酸二(2-乙基)己酯; (11) β-谷甾醇;(12) TgSSTg;(13) 3-吲哚甲醛;(14) 咖啡酸;(15) 槲皮素;(16) auriculatumA;(17)甘草黄苷。 结论 1~5、8~9、12~13均为首次从该植物分离得到。以上化合物的发现进一步丰富了芜菁的化学成分组成,为综合开发和利用芜菁植物资源提供前期的实验基础。 Abstract:Objective To study the chemical constituents of Brassica rapa L. and find its active components. Methods The chemical constituents of Brassica rapa L. were extracted by methanol reflux, separated and purified by silica gel column chromatography, thin layer chromatography and Sephadex LH-20 column chromatography, and the structural spectrum was determined by spectral analysis (nuclear magnetic resonance hydrogen spectrum, carbon spectrum). Results Seventeen compounds were isolated and identified as: (1) 1-(4-hydroxyphenyl )-2-propanone; (2) 4-(2-butoxyethyl) phenol; (3) 1-methoxy-3-indoleacetonitrile; (4) 2, 2′-oxybis(1, 4)-di-tert-butylbenzene; (5) Glycerol monopalmitate; (6) 1-butyl phthalate-2-isobutyl phthalate; (7) Dibutyl phthalate; (8) 1-methoxy-3-indole formaldehyde; (9) 3, 7-Dimethyl-n-octan-3α-ol-1-yl-benzoate; (10) Di(2-ethylhexyl) phthalate; (11) β-sitosterol; (12) TgSSTg; (13) 3-Indolecarboxaldehyde; (14) Caffeic acid; (15) Quercetin; (16) auriculatum A; (17) Liquiritin. Conclusion 1~5, 8~9, 12~13 were isolated from this plant for the first time. The discovery of the above compounds further enriched the chemical compositionof Brassica rapa L. and provided a preliminary experimental basis for the comprehensive development and utilization of Brassica rapa L. plant resources. -
Key words:
- Brassica rapa L. /
- Chemical constituents /
- Isolation and identification
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